Walking robot



FIG. 1 is a front view in elevation of a walking robot showing my new design;

FIG. 2 is a back view in elevation thereof;

FIG. 3 is a left side view in elevation thereof;

FIG. 4 is a right side view in elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a three-fourths left front view thereof; and

FIG. 8 is a left sectional view in elevation thereof. 

The ornamental design for a walking robot, as shown and described. 